[MacPorts] #40649: textmate2: update to newer version

[MacPorts]

#40649: textmate2: update to newer version
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  Reporter:  ryandesign@…  |      Owner:  cal@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.2.0
Resolution:                |   Keywords:
      Port:  textmate2     |
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Comment (by cal@…):

 Since the new requirement capnproto now works with Xcode 5's clang, this
 should be doable. My last attempt did show some build error in textmate,
 though :/

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Ticket URL: <https://trac.macports.org/ticket/40649#comment:1>
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